CN111541293A - Split type high-voltage box of power battery system - Google Patents

Split type high-voltage box of power battery system Download PDF

Info

Publication number
CN111541293A
CN111541293A CN202010486644.1A CN202010486644A CN111541293A CN 111541293 A CN111541293 A CN 111541293A CN 202010486644 A CN202010486644 A CN 202010486644A CN 111541293 A CN111541293 A CN 111541293A
Authority
CN
China
Prior art keywords
negative
voltage
positive
box
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010486644.1A
Other languages
Chinese (zh)
Inventor
董云鹏
高科
李世明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Yotteo Auto Technology Co ltd
Original Assignee
Jiangxi Yotteo Auto Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Yotteo Auto Technology Co ltd filed Critical Jiangxi Yotteo Auto Technology Co ltd
Priority to CN202010486644.1A priority Critical patent/CN111541293A/en
Publication of CN111541293A publication Critical patent/CN111541293A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a split type high-voltage box of a power battery system, which comprises an anode box body base, wherein the anode box body base is provided with a connecting port consisting of a total anode connecting port outside a battery and a total anode connecting port inside the battery, four circuit installation units are arranged inside the anode box body base, and a cathode high-voltage box comprises a cathode box body base. The invention uses two plastic shells to separately package the positive end high-voltage electric device and the negative end high-voltage electric device of the battery system in different plastic shells, and the two plastic shells are fixed at the bottom of the battery box body through bolts, thereby not only isolating the positive and negative high-voltage electric devices, but also isolating the electric devices from the battery box body, thereby improving the insulation protection performance, being capable of being used in the battery system of a single box body, also being capable of being used in the battery system of a plurality of box bodies, solving the problem that the high-voltage box needs to be installed in the battery box body in the battery system of the plurality of box bodies, and enlarging the application range.

Description

Split type high-voltage box of power battery system
Technical Field
The invention relates to the technical field of high-voltage distribution boxes for power batteries, in particular to a split type high-voltage box of a power battery system.
Background
With the development of social economy and the improvement of the living standard of people, the power battery system is used as one of main power energy sources of a new energy automobile and plays an important role in the development of new energy. The high-voltage distribution box of the battery system is a main protection and energy transmission unit in a high-voltage loop of the power battery system, and plays a role in protecting the power battery system and distributing power transmission in the charging and discharging processes of the power battery system.
The existing high-voltage distribution box lacks effective dustproof, electric shock prevention and electricity leakage prevention functions, is poor in insulating property and low in safety performance, and is easy to cause electric leakage or electric shock of people due to poor insulating property in the later maintenance and use processes, so that the phenomenon of burning and explosion finally caused by casualties or unbalance of a power battery system is generated. Therefore, it is desirable to provide a split high-voltage box of a power battery system to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a split type high-voltage box of a power battery system, which is characterized in that a positive end high-voltage electric device and a negative end high-voltage electric device of the battery system are separately packaged in different plastic shells by using two plastic shells and are fixed at the bottom of a battery box body through bolts, so that the positive and negative high-voltage electric devices are isolated, and the electric devices are isolated from the battery box body, so that the insulation and protection performance is improved.
In order to achieve the purpose, the invention provides the following technical scheme: a split high-voltage box of a power battery system comprises an anode box body base, the base of the positive box body is provided with a connecting port consisting of a total positive connecting port outside the battery and a total positive connecting port inside the battery, four circuit installation units are arranged inside the positive box body base, each circuit installation unit comprises a main positive high-voltage unit, a pre-charging circuit unit, a heating control unit and an information acquisition control unit, the main positive high-voltage unit comprises a main positive relay, the pre-charging circuit unit comprises a pre-charging relay and a pre-charging resistor, the heating control unit comprises a heating relay, and the information acquisition control unit comprises a connector, a total positive voltage Link + acquisition wiring harness outside the battery, a total positive voltage Bat + acquisition wiring harness inside the battery, a heating positive voltage Hot + acquisition wiring harness, and a control wiring harness of a main positive and pre-charging and heating relay;
the negative high-voltage box comprises a negative box body base, a connecting port consisting of a battery external total negative connecting port, a battery internal total negative connecting port and a heating negative connecting port is arranged in the negative box body base, two circuit installation units are arranged in the negative box body base and comprise a main negative high-voltage unit and an information acquisition control unit, the main negative high-voltage unit comprises a main negative relay, a shunt, a main fuse and a heating fuse, and the information acquisition control unit comprises a connector, a battery external total negative voltage Link-acquisition wiring harness, a battery internal total negative voltage Bat-acquisition wiring harness, a heating negative Hot-voltage acquisition wiring harness, a main negative relay control wiring harness and a current acquisition wiring harness;
the high-voltage loop of the battery system is connected: the battery inner main positive is connected with the battery inner main positive connection port through a power connection cable and the positive electrode high-voltage box; the battery comprises a main positive relay, a positive high-voltage box, a negative contact of the main positive relay, a total positive connection port outside the battery, a total negative connection port outside the battery, a negative high-voltage box, a total negative connection port outside the battery, a main fuse and a negative high-voltage box, wherein the total positive connection port outside the battery is connected with the total positive connection port of the battery of the whole vehicle high-voltage box, the total negative connection port of the battery of the whole vehicle high-voltage box is connected with the total negative connection port of the battery of the whole vehicle high-voltage box through a whole vehicle electric device or a rear part, the total negative connection port of the battery of the whole vehicle high-voltage box is connected with the negative high-voltage box, the other connection port of the main fuse is connected with, the negative port of the main negative relay is connected with the positive port of the shunt of the negative high-voltage box, and the negative port of the shunt of the negative high-voltage box is connected with the total negative connection port in the battery of the negative high-voltage box; the battery internal total negative connection port of the negative electrode high-voltage box is connected with the battery internal total negative;
the pre-charging loop is connected: the positive port of the main positive relay of the positive high-voltage box is connected with the positive port of the pre-charging relay of the positive high-voltage box, the negative port of the pre-charging relay is connected with one connecting port of the pre-charging resistor, and the other connecting port of the pre-charging resistor is connected with the negative port of the main positive relay;
the heating loop is connected: the negative port of the main positive relay of the positive high-voltage box is connected with the positive port of the heating relay of the positive high-voltage box, the negative port of the heating relay of the positive high-voltage box is connected with the heating positive connecting port of the positive high-voltage box, the heating positive connecting port of the positive high-voltage box is connected with a connecting port of a heating film or a heating PTC, the other connecting port of the heating film or the heating PTC is connected with the heating negative connecting port of the negative high-voltage box, the heating negative connecting port of the negative high-voltage box is connected with a connecting port of the heating fuse of the negative high-voltage box, and the other connecting port of the heating fuse is connected with the positive connecting port of the main negative relay of the negative high-voltage box;
the positive electrode high-voltage box information acquisition control unit: the positive electrode high-voltage box is characterized in that the total positive voltage Link + outside the battery, the total positive voltage Bat + inside the battery, the heating positive voltage Hot + collecting wire harness, and the control wire harnesses of the main positive and pre-charging and heating relay are connected with corresponding pins of the connector of the positive electrode high-voltage box through wires;
negative pole high-voltage box information acquisition control unit: the negative electrode high voltage box is characterized in that the total negative voltage Link-acquisition wiring harness outside the battery, the total negative voltage Bat-acquisition wiring harness inside the battery, the heating negative electrode Hot-voltage acquisition wiring harness, the main negative relay control wiring harness and the current acquisition wiring harness are connected with corresponding pins of the connector of the negative electrode high voltage box through electric wires.
Preferably, the positive box body base is a plastic base formed by injection molding of PBT + 20% GF plastic, and the negative box body base is a plastic base formed by injection molding of PBT + 20% GF plastic.
Preferably, the positive pole box body base passes through the inside of bolt fastening in battery box, negative pole box body base also passes through the inside of bolt fastening in battery box, just positive pole box body base and negative pole box body base interval set up.
Preferably, the positive box body base is arranged in a rectangular shape, and the negative box body base is matched with the positive box body base in a rectangular shape.
Preferably, the tab contact in the positive box base is a copper metal sheet, and the tab contact in the negative box base is a copper metal sheet.
Preferably, the inner side of the anode box body base is glued with a flame-retardant rubber layer, and the inner side of the cathode box body base is also glued with a flame-retardant rubber layer.
Compared with the prior art, the invention has the beneficial effects that: the two plastic shells are used for separately packaging the positive end high-voltage electric part and the negative end high-voltage electric part of the battery system in different plastic shells and are fixed at the bottom of the battery box body through bolts, so that the positive and negative high-voltage electric parts are isolated, and the electric parts are isolated from the battery box body, so that the insulating and protecting performance is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the positive electrode high voltage box of the present invention;
fig. 2 is a schematic view of the overall structure of the negative electrode high voltage box of the present invention;
FIG. 3 is an electrical wiring diagram of the positive high voltage box of the present invention;
fig. 4 is an electrical wiring diagram of the negative high voltage box of the present invention.
In the figure: 1. a positive cartridge base; 2. a battery external main positive connection port; 3. a battery internal main positive connection port; 4. heating the positive connection port; 5. a main positive relay; 6. a pre-charging relay; 7. pre-charging a resistor; 8. heating the relay; 9. a plug-in; 10. a total positive voltage Link + outside the battery collects a wiring harness; 11. collecting a wiring harness by using a total positive voltage Bat + in the battery; 12. heating the positive voltage Hot + collecting wire harness; 13. a main positive and pre-charge and heating relay control harness; 14. a negative cartridge base; 15. a battery external total negative connection port; 16. a battery internal total negative connection port; 17. heating the negative connection port; 18. a main negative relay; 19. a flow divider; 20. a main fuse; 21. heating the fuse; 22. a connector assembly; 23. a total negative voltage Link-acquisition wire harness outside the battery; 24. acquiring a total negative voltage Bat inside the battery; 25. heating the negative pole Hot-voltage acquisition wire harness; 26. the main and negative relays control the wire harness; 27. and collecting the current by a wire harness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a split type high-voltage box of a power battery system:
the positive high-voltage box comprises a positive box body base 1, the positive box body base 1 is provided with a connection port formed by a total positive connection port 2 outside the battery and a total positive connection port 3 inside the battery, four circuit installation units are arranged inside the positive box body base 1, each circuit installation unit comprises a main positive high-voltage unit, a pre-charging circuit unit, a heating control unit and an information acquisition control unit, each main positive high-voltage unit comprises a main positive relay 5, each pre-charging circuit unit comprises a pre-charging relay 6 and a pre-charging resistor 7, each heating control unit comprises a heating relay 8, each information acquisition control unit comprises an insert 9, a total positive voltage Link + acquisition harness 10 outside the battery, a total positive voltage Bat + acquisition harness 11 inside the battery, a positive voltage Hot + acquisition harness 12, and a control harness 13 of the main positive and pre-charging and heating relays;
the negative high-voltage box comprises a negative box body base 14, a connection port consisting of a battery external total negative connection port 15, a battery internal total negative connection port 16 and a heating negative connection port 17 is arranged in the negative box body base 14, two circuit installation units are arranged in the negative box body base 14, each circuit installation unit comprises a main negative high-voltage unit and an information acquisition control unit, each main negative high-voltage unit comprises a main negative relay 18, a shunt 19, a main fuse 20 and a heating fuse 21, each information acquisition control unit comprises a connector 22, a battery external total negative voltage Link-acquisition wiring harness 23, a battery internal total negative voltage Bat-acquisition wiring harness 24, a heating negative Hot-voltage acquisition wiring harness 25, a main negative relay control wiring harness 26 and a current acquisition wiring harness 27;
the high-voltage loop of the battery system is connected: the battery inner main positive is connected with the positive electrode high-voltage box battery inner main positive connection port 3 through a power connection cable; the battery inner total positive connecting port 3 of the positive high-voltage box is connected with the positive contact of the positive high-voltage box main positive relay 5, the negative contact of the positive high-voltage box main positive relay 5 is connected with the battery outer total positive connecting port 2 of the positive high-voltage box, the battery outer total positive connecting port 2 of the positive high-voltage box is connected with the battery total positive connecting interface of the whole vehicle high-voltage distribution box, the battery total positive connecting port of the whole vehicle high-voltage distribution box is connected with the battery total negative connecting interface of the whole vehicle high-voltage distribution box through a whole vehicle electric device or a rear vehicle electric device, the battery total negative connecting interface of the whole vehicle high-voltage distribution box is connected with the battery outer total negative connecting port 15 of the negative high-voltage box, the battery outer total negative connecting port 15 of the negative high-voltage box is connected with a connecting port of the negative high-voltage box main fuse 20, the other connecting port of the main fuse 20 is, the negative port of the main negative relay 18 is connected with the positive port of the negative high-voltage box shunt 19, and the negative port of the negative high-voltage box shunt 19 is connected with the total negative connection port 16 in the negative high-voltage box battery; the negative electrode high-voltage box battery internal total negative connection port 16 is connected with the battery internal total negative;
in the negative electrode high-voltage box system, if the shunt 19 is not used but a Hall current sensor is used, only a copper bar or a power cable which is connected with the Hall current sensor in series at the shunt 19 needs to be replaced, so that the whole vehicle and the power battery system form a high-voltage main loop of the power battery system through the positive electrode high-voltage box and the negative electrode high-voltage box;
the pre-charging loop is connected: the positive port of the positive high-voltage box main positive relay 5 is connected with the positive port of the positive high-voltage box pre-charging relay 6, the negative port of the pre-charging relay 6 is connected with one connection port of the pre-charging resistor 7, and the other connection port of the pre-charging resistor 7 is connected with the negative port of the main positive relay 5, so that a pre-charging loop is formed;
the heating loop is connected: the negative port of the positive high-voltage box main positive relay 5 is connected with the positive port of the positive high-voltage box heating relay 8, the negative port of the positive high-voltage box heating relay 8 is connected with the positive high-voltage box heating positive connecting port 4, the positive high-voltage box heating positive connecting port 4 is connected with one connecting port of a heating film or a heating PTC, the other connecting port of the heating film or the heating PTC is connected with the negative high-voltage box heating negative connecting port 17, the negative high-voltage box heating negative connecting port 17 is connected with one connecting port of the negative high-voltage box heating fuse 21, the other connecting port of the heating fuse 21 is connected with the positive connecting port of the negative high-voltage box main negative relay 18, and thus the battery system and the heating film or the heating PTC form a heating loop;
the positive electrode high-voltage box information acquisition control unit: the positive electrode high-voltage box battery external total positive voltage Link + acquisition wiring harness 10, the battery internal total positive voltage Bat + acquisition wiring harness 11, the heating positive electrode voltage Hot + acquisition wiring harness 12 and the control wiring harness 13 of the main positive and pre-charging and heating relay are connected with the positive electrode high-voltage box and the corresponding pin positions of the plug-in unit 9 through electric wires to form a positive electrode high-voltage box information acquisition control unit;
negative pole high-voltage box information acquisition control unit: the negative electrode high voltage box battery external total negative voltage Link-acquisition wiring harness 23, the battery internal total negative voltage Bat-acquisition wiring harness 24, the heating negative electrode Hot-voltage acquisition wiring harness 25, the main negative relay control wiring harness 26 and the current acquisition wiring harness 27 are connected with corresponding pins of the negative electrode high voltage box connector 22 through electric wires to form a negative electrode high voltage box information acquisition control unit.
In order to improve the insulation effect, the positive box body base 1 is a plastic base formed by injection molding of PBT + 20% GF plastic, and the negative box body base 14 is a plastic base formed by injection molding of PBT + 20% GF plastic.
The positive box body base 1 is fixed inside the battery box through bolts, the negative box body base 14 is also fixed inside the battery box through bolts, and the positive box body base 1 and the negative box body base 14 are arranged at intervals, so that positive and negative high-voltage electric devices are isolated, and the electric devices are isolated from the battery box body, and therefore the insulation protection effect is improved.
For the convenience of use, the positive box body base 1 is rectangular, the negative box body base 14 is rectangular in cooperation with the positive box body base 1, the lug contact pieces in the positive box body base 1 are copper metal pieces, and the lug contact pieces in the negative box body base 14 are also copper metal pieces.
For the purpose of flame-retardant protection treatment, the inner side of the positive box base 1 is glued with a flame-retardant rubber layer, and the inner side of the negative box base 14 is also glued with a flame-retardant rubber layer.
The specific use description is as follows: the two plastic shells are used for separately packaging the positive end high-voltage electric part and the negative end high-voltage electric part of the battery system in different plastic shells and are fixed at the bottom of the battery box body through bolts, so that the positive and negative high-voltage electric parts are isolated, and the electric parts are isolated from the battery box body, so that the insulating and protecting performance is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a split type high-pressure box of power battery system which characterized in that:
anodal high-voltage box is including anodal box body base (1), anodal box body base (1) is equipped with the connection port that constitutes by battery outside total positive connection port (2) and battery inside total positive connection port (3), the inside of anodal box body base (1) is equipped with four circuit installation units, and circuit installation unit is including main positive high-voltage unit, pre-charge circuit unit, heating control unit and information acquisition control unit, main positive high-voltage unit is including main positive relay (5), pre-charge circuit unit is including pre-charge relay (6), pre-charge resistance (7), heating control unit is including heating relay (8), information acquisition control unit includes connector (9), battery outside total positive voltage Link + gathers pencil (10), battery inside total positive voltage Bat + gathers pencil (11), heating positive voltage Hot + and gathers (12), A control harness (13) for main positive and pre-charge and heating relays;
the negative high-voltage box comprises a negative box body base (14), a connection port consisting of a battery external total negative connection port (15), a battery internal total negative connection port (16) and a heating negative connection port (17) is arranged in the negative box body base (14), two circuit installation units are arranged in the negative box body base (14), each circuit installation unit comprises a main negative high-voltage unit and an information acquisition control unit, the main negative high-voltage unit comprises a main negative relay (18), a shunt (19), a main fuse (20) and a heating fuse (21), the information acquisition control unit comprises a connector (22), a total negative voltage Link-acquisition wiring harness (23) outside the battery, a total negative voltage Bat-acquisition wiring harness (24) inside the battery, a heating negative pole Hot-voltage acquisition wiring harness (25), a main negative relay control wiring harness (26) and a current acquisition wiring harness (27);
the high-voltage loop of the battery system is connected: the battery inner main positive is connected with the battery inner main positive connecting port (3) of the positive electrode high-voltage box through a power connecting cable; the battery comprises a positive high-voltage box, a total positive connection port (3) inside the battery and the positive high-voltage box, wherein the positive contact of the main positive relay (5) is connected, the negative contact of the main positive relay (5) is connected with the positive high-voltage box, the total positive connection port (2) outside the battery is connected with the total positive connection interface of the battery of the whole vehicle high-voltage distribution box, the total positive connection port of the battery of the whole vehicle high-voltage distribution box is connected with the total negative connection interface of the battery of the whole vehicle high-voltage distribution box through a whole vehicle electric device or a rear connection part, the total negative connection interface of the battery of the whole vehicle high-voltage distribution box is connected with the negative high-voltage box, the total negative connection port (15) outside the battery is connected with the total negative connection port of the negative high-voltage box, and a connection port of the main fuse (, the other connecting port of the main fuse (20) is connected with the positive port of the main negative relay (18) of the negative high-voltage box, the negative port of the main negative relay (18) is connected with the positive port of the shunt (19) of the negative high-voltage box, and the negative port of the shunt (19) of the negative high-voltage box is connected with the battery internal total negative connecting port (16) of the negative high-voltage box; the negative electrode high-voltage box is connected with the battery inner total negative connection port (16) through a negative electrode high-voltage box;
the pre-charging loop is connected: the positive port of the main positive relay (5) of the positive high-voltage box is connected with the positive port of the pre-charging relay (6) of the positive high-voltage box, the negative port of the pre-charging relay (6) is connected with one connecting port of the pre-charging resistor (7), and the other connecting port of the pre-charging resistor (7) is connected with the negative port of the main positive relay (5);
the heating loop is connected: the negative port of the main positive relay (5) of the positive high-voltage box is connected with the positive port of the heating relay (8) of the positive high-voltage box, the negative port of the heating relay (8) of the positive high-voltage box is connected with the heating positive connecting port (4) of the positive high-voltage box, the heating positive connecting port (4) of the positive high-voltage box is connected with a connecting port of a heating film or a heating PTC, the other connecting port of the heating film or the heating PTC is connected with the heating negative connecting port (17) of the negative high-voltage box, the heating negative connecting port (17) of the negative high-voltage box is connected with a connecting port of the heating fuse (21) of the negative high-voltage box, and the other connecting port of the heating fuse (21) is connected to the positive connecting port of the main negative relay (18) of the negative high-voltage box;
the positive electrode high-voltage box information acquisition control unit: the positive electrode high-voltage box is characterized in that a total positive voltage Link + collecting wire harness (10) outside the battery, a total positive voltage Bat + collecting wire harness (11) inside the battery, a heating positive voltage Hot + collecting wire harness (12), and a control wire harness (13) of a main positive and pre-charging and heating relay are connected with corresponding pins of the connector (9) of the positive electrode high-voltage box through electric wires;
negative pole high-voltage box information acquisition control unit: the negative electrode high-voltage box is characterized in that the negative electrode high-voltage box is connected with a total negative voltage Link-acquisition wiring harness (23) outside the battery, a total negative voltage Bat-acquisition wiring harness (24) inside the battery, a heating negative electrode Hot-voltage acquisition wiring harness (25), a main negative relay control wiring harness (26) and a current acquisition wiring harness (27) through electric wires and corresponding pins of the connector (22).
2. The split high-voltage box of the power battery system according to claim 1, wherein: the positive box body base (1) is a plastic base formed by injection molding of PBT + 20% GF plastic, and the negative box body base (14) is a plastic base formed by injection molding of PBT + 20% GF plastic.
3. The split high-voltage box of the power battery system according to claim 1, wherein: anodal box body base (1) passes through the inside of bolt fastening in battery box, negative pole box body base (14) also pass through the inside of bolt fastening in battery box, just anodal box body base (1) and negative pole box body base (14) interval set up.
4. The split high-voltage box of the power battery system according to claim 1, wherein: anodal box body base (1) is the rectangle setting, anodal box body base (1) is the rectangle setting in negative pole box body base (14) cooperation.
5. The split high-voltage box of the power battery system according to claim 1, wherein: the tab contact in the positive box body base (1) is a copper metal sheet, and the tab contact in the negative box body base (14) is also a copper metal sheet.
6. The split high-voltage box of the power battery system according to claim 1, wherein: the inner side of the anode box body base (1) is glued with a flame-retardant rubber layer, and the inner side of the cathode box body base (14) is also glued with a flame-retardant rubber layer.
CN202010486644.1A 2020-06-01 2020-06-01 Split type high-voltage box of power battery system Pending CN111541293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010486644.1A CN111541293A (en) 2020-06-01 2020-06-01 Split type high-voltage box of power battery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010486644.1A CN111541293A (en) 2020-06-01 2020-06-01 Split type high-voltage box of power battery system

Publications (1)

Publication Number Publication Date
CN111541293A true CN111541293A (en) 2020-08-14

Family

ID=71978191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010486644.1A Pending CN111541293A (en) 2020-06-01 2020-06-01 Split type high-voltage box of power battery system

Country Status (1)

Country Link
CN (1) CN111541293A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116545073A (en) * 2023-06-29 2023-08-04 广汽埃安新能源汽车股份有限公司 Battery safety protection circuit and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116545073A (en) * 2023-06-29 2023-08-04 广汽埃安新能源汽车股份有限公司 Battery safety protection circuit and control method thereof
CN116545073B (en) * 2023-06-29 2024-03-26 广汽埃安新能源汽车股份有限公司 Battery safety protection circuit and control method thereof

Similar Documents

Publication Publication Date Title
CN210120207U (en) High-voltage box system of automobile power battery
CN209200099U (en) A kind of detachable high voltage power distribution case apparatus being mounted on power battery
CN203800515U (en) High-voltage power distribution box with interlocking protection function
CN109286046A (en) A kind of battery energy storage system
CN204333152U (en) The inner integrated high voltage control box of power battery of pure electric automobile bag
CN104002693A (en) High-voltage compartment for battery pack of electric car
CN216231692U (en) High-voltage distribution box for electric automobile
CN111541293A (en) Split type high-voltage box of power battery system
CN202888748U (en) High-voltage conjunction box
CN205194646U (en) Storage battery anode fuse box assembly and automobile
CN212784800U (en) Split type high-voltage box of power battery system
CN203691010U (en) Circuit for realizing group charging for power cells
CN215771794U (en) AC V2V charging gun device
CN110549965A (en) High-voltage distribution box with strong universality
CN205303200U (en) Lithium ion capacitor module
CN203844622U (en) High-voltage compartment of battery pack for electric automobile
CN212219966U (en) Power battery system applying parallel battery packs
CN210467917U (en) Power battery system of electric automobile
CN209521546U (en) A kind of new-energy automobile high voltage power supply distributor disk
CN208216650U (en) A kind of pure electric automobile high-tension distribution box
CN204118765U (en) Essential safe type active accelerated degree micro-seismic sensor power supply
CN111098757A (en) Power battery system applying parallel battery packs
CN208046299U (en) A kind of intelligence switching battery pack
CN208111501U (en) A kind of electrokinetic cell system high-voltaghe compartment
CN207883861U (en) Temperature of powered cell voltage acquisition plate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination